Ingredients
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2 lbground beef
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·vegetable oil
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2 largeonion- sliced
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4crusty rolls, split and toasted
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4romaine lettuce leaves
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4 slicetomato
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8 sliceswiss cheese
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1 cmayonnaise
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3 Tbspdijon mustard
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8 slicethick bacon, cooked (bacon optional)
How to Make Bistro Cheeseburger
- In small bowl, combine sauce ingredients (mayonnaise and dijon mustard); set aside.
- Shape ground beef into four 3/4" thick patties.
- Lightly brush oil onto cut sides of onion.
- Place patties and onions on grill over medium, ash covered coals.
- Grill, uncovered, 13 to 15 minutes or until centers are no longer pink and onions are tender, turning once.
- Season burgers with salt and pepper, if desired, after turning.
- Approximately 1 minute before burgers are done, top each burger with 2 slices cheese.
- Meanwhile, spread equal parts of sauce mixture on top half of each roll.
- Line bottom half of each roll with lettuce and tomato; top with cheeseburger and onion.
- Close sandwiches.